Sofa Spring Replacement Kit – Restore Comfort and Support to Your Furniture • Complete Set: Includes 3 sets of sofa upholstery spring replacement kits. Each set contains 3 springs, 6 spring mounting clips, and 18 mounting nails, providing all components for installation and . • Accurate Sizing: Spring dimensions are 400 x 48 x 4 mm (Length x Width x Thickness) or 15.75 x 1.89 x 0.16 inches, ensuring compatibility with most standard sofa designs. • Durable Construction: Springs are made from ‑quality spring steel, while clips and nails are made from iron. The materials deliver elasticity, strong toughness, and resistance to bending and breakage. • Rust Resistant: Fine workmanship and smooth machine‑cut edges prevent hand irritation and reduce the risk of corrosion over time. • Secure Back‑Bend Design: The back‑bend hanging spring shape keeps springs firmly in place during use, offering stable support and long‑lasting elasticity for sofa cushions. • Easy Installation: Connect and secure springs from both ends using the included clips and nails. Proper installation ensures safe, reliable support for seating areas. • Precision Cut: Machine‑cut springs maintain uniform size and performance for consistent tension across all supports. Applications: 1. worn‑out or sagging sofa seat springs to restore firmness and improve comfort. 2. damaged spring systems in chairs, couches, or futons for better seating performance. 3. Use in furniture restoration projects to upgrade or maintain the structural integrity of seating cushions. This kit offers a reliable solution for maintaining or renewing seating support, combining strength, ease of use, and compatibility with a wide range of upholstered furniture.